Tag: earth and structure

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Questions Related to earth and structure

Multiple choice geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

The thinnest layer of the earth is ___________.

  1. Crust

  2. Mantle

  3. Core

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the crust is the thinnest layer of the Earth, amounting for less than 1% of our planet's volume.

Multiple choice geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

The thickness of the mantle is about _____________.

  1. 2900 km

  2. 2500 km

  3. 2600 km

  4. 2800 km
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) thick and makes up a whopping 84% of Earth's total volume.

Multiple choice geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

The innermost layer of the earth is _________.

  1. Crust

  2. Core

  3. Mantle

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Earth's inner core is the innermost geologic layer of the Earth. It is primarily a solid ball with a radius of about 1,220 kilometres (760 miles), which is about 20% of the Earth's radius or 70% of the Moon's radius.

Multiple choice geography inside our earth the earth's structure structure of the earth our world components of earth earth and structure

Which one of the following is present in the largest amount in terms of per cent by mass in the earth's crust?

  1. Silicon

  2. Oxygen

  3. Carbon

  4. Calcium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oxygen is by far the most abundant element in the earth's crust. Scientists estimate oxygen comprises nearly half of the mass of the crust. It also accounts for 21 percent of Earth's atmosphere

Multiple choice geography earth and biosphere the earth's structure components of earth inside our earth atmosphere and its structures what is around us? earth and structure

Landforms having an altitude of more than _____ meters above the mean sea level and with steep slopes are called mountains.

  1. 700

  2. 900

  3. 1000

  4. 1200
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

By standard geographical definition, landforms that rise significantly above their surroundings, usually defined as over 900 meters, are classified as mountains.

Multiple choice geography earth and biosphere the earth's structure components of earth inside our earth atmosphere and its structures what is around us? earth and structure

What does the Landform with almost flat top and comparatively higher elevation than the surroundings is known as?

  1. Mountains

  2. Plateaus

  3. Plains

  4. All of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A plateau is a flat-topped highland with steep sides, characterized by an elevation significantly higher than the surrounding plains.

Multiple choice geography earth and biosphere the earth's structure components of earth inside our earth atmosphere and its structures what is around us? earth and structure

It is estimated that the major chunk of rainwater falling on the western ghats reaches the sea within _______.

  1. one day

  2. two days

  3. four days

  4. one week
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Due to the steep slopes of the Western Ghats and the narrow coastal strip, rainwater flows rapidly into the Arabian Sea, typically reaching it within two days.